PDP-11 data and function address spaces

[Henry Spencer]

In article <11588 at smoke.BRL.MIL> gwyn at brl.arpa (Doug Gwyn) writes:
>>Alas, you have forgotten the 11/73 and 11/83.
>
>Also the PDP-11/55.  I think every PDP-11 model >= 44 other than 60
>supported separate I&D spaces.

The 50 and 55 were 45s with factory-installed fast memory and a different
front-panel color.  Actually, the 70 was a 45 deep down inside too, but
the modifications were a bit more drastic there.

I think the ">=44 && !=60" rule is correct.
-- 
A bit of tolerance is worth a  |     Henry Spencer at U of Toronto Zoology
megabyte of flaming.           | uunet!attcan!utzoo!henry henry at zoo.toronto.edu